code: def reshape(x, input_dim):
      """
      Reshapes x into a matrix with input_dim columns
  
      """
      x = np.array(x)
      if x.size == input_dim:
          x = x.reshape((1, input_dim))
      return x
  
file_path: GPyOpt/GPyOpt/util/general.py
imports: import numpy
  from scipy.special import erfc
  import time
  from ..core.errors import InvalidConfigError
label_desc: Use image node_id 5 for calling a global function with example usage: reshape(x, input_dim) and returns: x